VT-PTZ Series
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INPUT DEVICES
External devices that provide information about the condition of system components
that connect to the inputs on the dome camera. Typical input devices include door
contacts, motion detectors and smoke detectors.
IR MODE
A feature of the camera that permits manual or automatic switching between color and
IR(black-and-white) operation. When IR mode is active, clearer images may be
obtained under low-light conditions.
LINE LOCK
Allows you to phase lock the video with the AC power line. When line lock is enabled, it
prevents vertical video rolling when switching multiple cameras to a single monitor. If
text appears slightly tinted on color monitors, disabling the line lock may prevent this
problem.
NORTH DIRECTION
User-definable setting that may correspond to magnetic north or some well-known
landmark.
Used to approximate the camera dome's pointing direction when Direction Indicators
are enabled.
ON-SCREEN MENU
The text overlay menu system used for setting dome features. The utility is accessed
using a
keystroke combination. The utility provides settings for camera functions, zoom, alarms,
text
display, and password protection.
PATTERN
A series of pan, tilt, zoom and focus movements from a single programmable dome. Up
to 8 patterns may be programmed for the dome camera.
PRESET
Programmed video scene, based on a specific pan, tilt, zoom, and focus settings. Up to
240 presets may be programmed for the dome camera.
PRIVACY ZONES
Masked areas of the dome camera's viewing area. These masks prevent operators of
the surveillance system from viewing these designated zones. The Privacy Zones move
in relation to the dome camera’s pan/tilt position. In addition, the apparent size of the
Privacy Zone adjusts automatically as the lens zooms in or out. Up to eight Privacy
Zones may be established for a dome camera.
SHUTTER LIMIT
Setting used to define the maximum exposure time for the Open Shutter setting. The
